@article{JTNB_2015__27_1_53_0, author = {Joseph Cohen and Jack Sonn}, title = {A cyclotomic generalization of the sequence $\gcd (a^n-1,b^n-1)$}, journal = {Journal de Th\'eorie des Nombres de Bordeaux}, pages = {53--65}, publisher = {Soci\'et\'e Arithm\'etique de Bordeaux}, volume = {27}, number = {1}, year = {2015}, doi = {10.5802/jtnb.893}, mrnumber = {3346964}, language = {en}, url = {https://jtnb.centre-mersenne.org/articles/10.5802/jtnb.893/} }